2007 International Conference on Networking, Architecture, and Storage (NAS 2007) 2007
DOI: 10.1109/nas.2007.21
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DiskGroup: Energy Efficient Disk Layout for RAID1 Systems

Abstract: Energy consumption is becoming an increasingly important issue in storage systems, especially for high performance data centers and network servers. In this paper, we introduce a family of energy-efficient disk layouts that generalize the data mirroring of a conventional RAID1 system. The scheme called DiskGroup distributes the workload between the primary disks and secondary disks based on the characteristics of the workload. We develop an analytic model to explore the design space and compute the estimated e… Show more

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Cited by 15 publications
(8 citation statements)
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“…Similar design goals can be found in the literature (see, for example, [4] and [5]). This study started off with having a goal of developing a matrix that would outline the tradeoffs between energy efficiency and security in the context of large-scale disk systems.…”
Section: Introductionmentioning
confidence: 60%
See 1 more Smart Citation
“…Similar design goals can be found in the literature (see, for example, [4] and [5]). This study started off with having a goal of developing a matrix that would outline the tradeoffs between energy efficiency and security in the context of large-scale disk systems.…”
Section: Introductionmentioning
confidence: 60%
“…Since our sources of energy to power computers are not limitless, it is imperative to design energy efficient computer architectures. Disk systems tend to be large consumers of energy consumption [4] and; therefore, we have designed an energy efficient parallel disk framework (see [3] for details of our disk framework). Apart from high energy efficiency, security mechanisms are equally important for disk systems to support a wide range of data-intensive applications that are security sensitive.…”
Section: Introductionmentioning
confidence: 99%
“…An energy saving policy named eRAID [2] for conventional disk based RAID-1 systems using redundancy is given by Li et al Energy efficient disk layouts for RAID-1 systems [12] have been proposed by Lu et al Yue et al investigated the memory energy efficiency of high-end data servers used for supercomputers [10]. Son et al proposed and evaluated a compiler-driven approach to reduce disk power consumption of array-based scientific applications executing on parallel architectures [15][16] [9].…”
Section: Related Workmentioning
confidence: 99%
“…In all experiments, there is either better performance gain or little performance degradation. In [7], a family of energy-efficient disk layouts has been found in RAID1. The scheme called DiskGroup distributes the workload between the primary disks and secondary disks based on the characteristics of the workload.…”
Section: Related Work and Our Innovationmentioning
confidence: 99%